updated for most recent version of boto, removed dependency on cnames where possible
version bump
allow newer versions of boto and pyyaml
add version-label argument for init command
fix minor typo
Merge pull request #8 from adamfeuer/config-gets-keys-from-env-vars

environment variables are replaced in conf file
Merge pull request #10 from adamfeuer/zdt-deploy-termination-delay

 adding option for termination delay to zdt_deploy
Merge pull request #9 from adamfeuer/help-improvements

Help system improvements
Merge pull request #5 from davecap/init-with-version

Initialize with version label
version bump
adding swap_urls command

- this command allows doing the create environment,
  swap, and terminate as separate steps in order
  to run tests against the new environment before
  making it active.
updated README with swap_urls command info
Merge branch 'swap_urls_command' of github.com:adamfeuer/ebs-deploy into swap_urls_command